Tacksm has a wide range of toothbrush heads to choose from, so it's easy to find the right one for you. They are all effective in maintaining good oral hygiene , as well as removing plaque from the teeth. Some toothbrush heads are better at removing bacteria deep down, while others are better at removing surface stains. To promote your dental hygiene, you should regularly replace your electric toothbrush heads. Some electric toothbrushes have indicators for when it's time to change. Otherwise, as a rule of thumb, the brush head should be changed approximately once every three months.